The Nigerian Scam Works

I was in a Cracker Barrel today standing in line behind a young girl who looked to be in her early 20's. I wasn't paying any attention until I heard the clerk tell her she should call the police. She was trying to buy a prepaid debit card or something to pay $400 to somebody who had texted her telling her she would go to jail for tax evasion if she didn't pay $800. She told them she didn't have that much and they replied that they would accept $550. She had already sent them $150. I told her she had been scammed and to ignore any more texts or calls. She just said, "I must be naive."